Enrollment
311
High
DISTRICT 328 · STATE 738
SCHOOL COMMUNITY·LINE MOUNTAIN SD·NCES 421446003532
Line Mountain High School
187 Line Mountain Road, Herndon, PA 17830 · (570) 758-2011 · Northumberland County
GRADES 09–12HIGH42-RURALTITLE IREGULAR SCHOOL311 STUDENTS
B+
allk12 Grade
Scored higher than 67% of Pennsylvania public high schools
- B+Test scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
- BBeats expectations How far test scores land above or below what the share of low-income students predicts for a school in this state.
- ·Three-year trend Not available for this school, so the grade uses the other parts.
Grades compare a school only with schools in the same state, because every state gives its own test. How grades work · Top-graded Pennsylvania public high schools
Student : Teacher
12.0:1
26 FTE teachers
DISTRICT 13.9:1 · STATE 12.8:1
Free / Reduced Lunch
45%
141 students
DISTRICT 50% · STATE 75%
Community
0
0 members
Enrollment and student:teacher ratio compared against other high schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade, 2024-25
| Grade | Students | Share |
|---|---|---|
| Grade 9 | 83 | 27% |
| Grade 10 | 69 | 22% |
| Grade 11 | 97 | 31% |
| Grade 12 | 62 | 20% |
Student demographics
11%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 10% · STATE 59% · US 70%
Student head counts by race/ethnicity from federal NCES enrollment data. District, state, and US figures are each group's share of all public school students in that area (US excludes territories). Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
School pathway
Feeds from
Based on grade levels within Line Mountain SD. Attendance zones can vary; confirm enrollment with the district.
Test scores
PSSA + Keystone 2024-25 . % Proficient or AdvancedEnglish Language Arts
66.3%
PA avg 51.1% . -5.9pp since 2023
Math
49.4%
PA avg 43.0% . +6.0pp since 2023
What this means: On the PSSA + Keystone, Pennsylvania's statewide test, about 66 of every 100 students at this school read and write at grade level and about 49 of 100 do math at grade level. Across all Pennsylvania schools, those numbers are about 51 and 43. Reading and writing scores are down about 6 points since 2023, while math scores are up about 6 points.
PSSA + Keystone results by year
| School year | English Language Arts | Math |
|---|---|---|
| 2024-25 | 66.3% | 49.4% |
| 2023-24 | 72.2% | 43.4% |
% Proficient or Advanced, all students and all tested grades.
Source: PSSA + Keystone. All students, all grades. See all years and grades →
BeatsExpectations
Demographically-adjusted score · methodologyTier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
58.8%
composite math + reading, all grades
Predicted
58.2%
based on PA schools with similar FRL share
Beats by
+0.6pp
above demographic expectation
What this means: About 59% of students here test proficient in math and reading, compared with the roughly 58% typical for Pennsylvania schools with a similar share of low-income students. BeatsExpectations measures results against demographically similar schools rather than by raw scores, and this school falls within the typical range, neither among Pennsylvania's top nor bottom 10%.
BeatsExpectations runs a per-state regression of proficiency on free/reduced-lunch share, then scores each school by residual. How this is calculated →
Schools most like Line Mountain High School
Line Mountain High School's state test result (58.8% proficient) is higher than 4 of the 4 schools below with a result.
| School | Students | Low-income | Proficient |
|---|---|---|---|
| Line Mountain High School this school | 311 | 45.3% | 58.8% |
| Southern Fulton JSHS Warfordsburg | 323 | 42.7% | 44.3% |
| Clarion-Limestone Area JSHS Strattanville | 359 | 44.0% | 58.2% |
| Harrold School Greensburg | 369 | 45.5% | N/A |
| Sharpsville Area SHS Sharpsville | 326 | 48.2% | 50.7% |
| McConnellsburg High School McConnellsburg | 285 | 41.8% | 57.4% |
Matched among Pennsylvania high schools on enrollment, the share of students from low-income families (eligible for free or reduced-price lunch), and racial and ethnic makeup. Proficient is the average share of students meeting the state standard across all of the school's state tests in 2023-24 and 2024-25, the same combined score our test-score rankings use. Online schools and schools serving specialized populations are not matched.
Where Line Mountain High School ranks
Among high schools| Measure | This school | In Pennsylvania | In Northumberland County |
|---|---|---|---|
| State test proficiency ranked highest first | 58.8% | #183 of 576 | N/A |
| Math proficiency ranked highest first | 49.4% | #205 of 626 ▲ 43 | #2 of 6 no change |
| Reading proficiency ranked highest first | 66.3% | #212 of 626 ▼ 55 | #2 of 6 ▼ 1 |
| Enrollment ranked largest first | 311 | #545 of 713 | #6 of 7 |
| Students per teacher ranked fewest first | 12.0:1 | #124 of 601 | #2 of 6 |
| Diversity index ranked most diverse first | 10.5% | #505 of 604 | #5 of 6 |
| Free and reduced lunch ranked highest share first | 45.3% | #399 of 619 | #6 of 6 |
| Enrollment change since 2017-18 ranked steepest decline first | -16.6% | #76 of 373 | N/A |
Ranked against other public high schools. Online schools are left out of every list, and test-score lists leave out schools that serve specialized populations. Each rank links to the full list. Arrows under a test-score rank show places moved since the prior test year, among schools tested both years.
4-year change
SY 2020-21 vs SY 2024-25Enrollment
311
-55 (-15%) vs 2020
-33% since 1990-91, when it was 465
Student : Teacher
12.0:1
was 13.1:1
Source: NCES Common Core of Data
Enrollment and staffing by year
| School year | Students | Teachers (FTE) | Students per teacher | Free and reduced lunch |
|---|---|---|---|---|
| 2024-25 | 311 | 26 | 12.0:1 | 45% (141) |
| 2023-24 | 334 | 29 | 11.5:1 | 42% (141) |
| 2022-23 | 331 | 28.8 | 11.5:1 | 34% (113) |
| 2020-21 | 366 | 28 | 13.1:1 | 37% (134) |
| 2017-18 | 373 | 31.3 | 11.9:1 | 35% (132) |
| 2015-16 | 378 | 31 | 12.2:1 | 42% (158) |
| 2010-11 | 573 | 40 | 14.3:1 | 33% (190) |
| 2000-01 | 468 | 32 | 14.6:1 | 22% (102) |
| 1990-91 | 465 | 35 | 13.3:1 | N/A |
Source: NCES Common Core of Data. Rows are the federal collections on file for Line Mountain High School.
Since 2017-18: students down 17% (373 to 311); teachers down 17% (31.3 to 26).
About Line Mountain High School
Line Mountain High School is a small high school in Herndon, Pennsylvania, one of the schools in Line Mountain SD. The student body numbers 311 students, from grades 9 through 12. An average school in this group (high schools in Pennsylvania) has about 738 students.
District-wide, Line Mountain SD has 3 schools and 985 students.
Most students at Line Mountain High School are White: 95% of enrollment. Other groups include 3% Hispanic. By the diversity index, Line Mountain High School comes in at 11%.
Line Mountain High School counts 26 full-time-equivalent teachers, about 12.0 students for each one. The 12.8:1 average for high schools in Pennsylvania is higher than this school's figure. About 45% of students at the school meet free or reduced-price lunch income limits. On average, public schools in Northumberland County report 86%.
Line Mountain High School is graded B+ by allk12, scoring above 67% of Pennsylvania public high schools once test results, poverty-adjusted performance, and the recent trend are combined.
The model predicts 58.2% for a school in Pennsylvania with Line Mountain High School's free or reduced-price lunch share. Line Mountain High School posts 58.8%.
Northumberland County has about 90,560 residents, and median household income is about $60,583, a bachelor's degree or higher is held by about 19% of adults, and the poverty rate is about 9%. Federal data list 23 public schools in Northumberland County, with a combined enrollment of about 10,386.
Line Mountain Middle School is located less than a tenth of a mile from Line Mountain High School. Other public schools within ten miles: at least 8. Among 8 nearby schools that report test results, Line Mountain High School ranks 4th on proficiency.
Under the NCES locale system, Line Mountain High School is Rural: Distant.
Enrollment was 366 in 2020-21 and 311 in 2024-25, a decrease of 55 students. There were fewer students per teacher in 2024-25 (12.0:1) than in 2020-21 (13.1:1).
Posts about school safety, transportation, and start times are welcome on this page. Questions from prospective families are welcome too.
Northumberland County at a glance
View full county profilePopulation
90,560
Census ACS
Median income
$60,583
Household, ACS
Bachelor's+
19%
Adults 25+
Poverty rate
9%
Below federal line
Schools in county
23
10,386 students
Quick facts
Related schools
Other schools in Line Mountain SD
- Line Mountain Elementary SchoolElementary · 355 students
- Line Mountain Middle SchoolMiddle · 319 students
Nearby schools
- Line Mountain Middle School0.0 mi · 319
- Upper Dauphin Area Elementary School7.9 mi · 373
- Upper Dauphin Area Middle School7.9 mi · 302
- Upper Dauphin Area High School8.1 mi · 331
- Selinsgrove Intrmd School9.7 mi · 535
- Selinsgrove Area High School9.8 mi · 744
Frequently asked questions
About Line Mountain High SchoolWhat is the total enrollment at Line Mountain High School?
Line Mountain High School enrolls approximately 311 students in grades 09-12.
What age range does Line Mountain High School serve?
Line Mountain High School serves students from grade 09 through grade 12.
How many students per teacher at Line Mountain High School?
Approximately 12.0:1 students per teacher at Line Mountain High School.
What is the racial breakdown of students at Line Mountain High School?
At Line Mountain High School, the student body is approximately 95% White, 3% Hispanic, 1% Black, 0% Asian, 1% Two or more.
Who oversees Line Mountain High School?
Line Mountain High School is overseen by Line Mountain SD in Northumberland County.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.